Introduce IAbpTagHelperService.Process to reduce AsyncHelper.RunSync usage

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/AbpTagHelper.cs

@@ -32,7 +32,7 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers
 
         public override void Process(TagHelperContext context, TagHelperOutput output)
         {
-            AsyncHelper.RunSync(() => ProcessAsync(context, output));
+            Service.Process(context, output);
         }
 
         public override Task ProcessAsync(TagHelperContext context, TagHelperOutput output)

framework/src/Volo.Abp.AspNetCore.Mvc.UI.Bootstrap/TagHelpers/IAbpTagHelperService.cs

@@ -13,6 +13,8 @@ namespace Volo.Abp.AspNetCore.Mvc.UI.Bootstrap.TagHelpers
 
         void Init(TagHelperContext context);
 
+        void Process(TagHelperContext context, TagHelperOutput output);
+
         Task ProcessAsync(TagHelperContext context, TagHelperOutput output);
     }
 }